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Thread: Exhaust question

  1. #1
    Join Date
    Jun 2005
    Jupiter Farms, Florida

    Question Exhaust question

    Am looking seriously into purchasing The complete kooks exhaust system. What size is the best? More horsepower? I am planning on nitrous and a blower in the future, so would I be better off with the 3" system?
    RIP 03 Procharged Marauder/FIT Kit #3.
    New Toy: 2001 Mustang GT built motor, heads, cams, and a Procharger D1sc. 539rwhp 457rwtq 11.5@125 on stock rear end and bald drag radials.

  2. #2
    Join Date
    Dec 2003
    New York, USA
    Kooks has a forum in which you can ask this question...

    2k04 BLACK Mercury Marauder 300A #810 of 3223
    DOB 10/31/2003
    DOP 1/2/2004
    2k19 AGATE FORD Edge ST with Performance Brakes
    DOB 12/11/2018
    DOP 6/19/2019

    Water Wetter, K&N AirCharger/Drycharger, SS Inserts,
    SilverStar 9007SU, WeatherTech WeatherFlectors, Steering Wheel Badge,
    AutoMeter Gauges (Oil Press, Voltmeter, and Trans Oil Temp),
    ASC 840 VSS Sunroof, Kenwood KFC-C6879ie x4, COBRA Fender Badges,
    Z&M Rear Control Arms, FORD GT Coil Covers,
    Gorilla Lock Lugs all around, Decklid Designs Trunk Lid Liner,
    SCT Xcalibrator2 (Innovative Interceptors) w/Lidio's (Alternative Automotive) Marauder 3.55 tuning,
    4R75W by Fred Brown's Performance Transmission, tuned to match Lidio's tune,
    DG Motorsports Carbon Fiber Radiator Cover, Zack's Badgeless Grille,
    Accel 140034-8 Coil Packs, Granatelli Motorsports Coil-On-Plug wires
    Even though I walk through the valley of the shadow of rice,
    I will fear no turbo for displacement is with me.

  3. #3
    Join Date
    Jan 2004
    Columbus, Ohio
    I asked the same question. Kooks told me two things: a) they no longer make the 3" system for the Marauder (although you can probably pressure them to) and b) the 2.5" system is good enough for 600rwhp.

    In either case, I'm happy with my complete 2.5" system.

    2004 Silver Birch w/Light Flint Interior
    10.44 @ 131.66 MPH | 604 RWHP & 562 RWTQ

    - Trilogy Supercharger #79 Twinscrew w/ 14PSI, Alternative Auto Forged 5.3 Stroker, Stage III Cams, JLT CAI, 405lph Return Fuel System, XL Heat Exchanger, 4.10's, Built Transmission, SCT 90MM MAF, Custom Tuned by Lidio.

    - Kooks Headers. Magnaflow Cats & 18" Mufflers with 2.5" X-Pipe & Tailpipes. Megs' Res-Delete Tips

    - Widened 9.5" Rear Rims w/Nitto NT555G2 Front Tires and NT555Rii Drag Radials.
       245/45/ZR18 & 305/45/ZR18. TCE Performance Brakes and SS lines.

    - Spoiler, MMX Driveshaft, Metco Loop and Control Arms, ADTR Front and Addco Rear Sway Bars, Art Carr Transmission Pan, Eaton Posi, Stud & Girdle kit, Moser 31 Spline Axles, Marauder Door Sills, SS Inserts, Dynamat, Pioneer AVIC-8201NEX with 6x8" 260w Speakers and 12" 1400w Sub-woofer

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